Home / 109,296,004.80-163,944,007.20-28,516,972.80

Finding the Fourth Proportional to 109,296,004.80, 163,944,007.20 and 28,516,972.80

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Solution

The fourth proportional to 109,296,004.80, 163,944,007.20 and 28,516,972.80 is: 42,775,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,296,004.80 : 163,944,007.20 = 28,516,972.80 : x
  2. Step 2: Convert to fraction form
    109,296,004.80/163,944,007.20 = 28,516,972.80/x
  3. Step 3: Cross multiply
    109,296,004.80x = 163,944,007.20 × 28,516,972.80
  4. Step 4: Simplify right side
    109,296,004.80x = 4,675,186,794,045,404
  5. Step 5: Solve for x
    x = 4,675,186,794,045,404/109,296,004.80
  6. Step 6: Final answer
    x = 42,775,459.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.